The process of generating an image or series of images from a model by means of computer programming.

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5
votes
3answers
6k views

how to add water effect to an image

This is what I am trying to achieve: A given image would occupy say 3/4th height of the screen. The remaining 1/4th area would be a reflection of it with some waves (water effect) on it. I'm not sure ...
1
vote
1answer
412 views

Mandelbrot set not displaying properly

I am trying to render mandelbrot set using glsl. I'm not sure why its not rendering the correct shape. Does the mandelbrot calculation require values to be within a range for the (x,y) [ or (real, ...
7
votes
4answers
2k views

glsl demo suggestions?

In a lot of places I interviewed recently, I have been asked many a times if I have worked with shaders. Even though, I have read and understand the pipeline, the answer to that question has been no. ...
5
votes
2answers
844 views

What does the term 'photorealistic' really mean?

I was wondering about the term 'photorealistic' in regards to rendering and was wondering how this is used. Is it used to describe a shader (or set of) that have certain quantifiable features? Or any ...
11
votes
2answers
942 views

Good practices in screen states management? [duplicate]

I wonder what are the best ways to organize different screens in a game? I am thinking of it like this: Inheriting a base State class, and overriding update and render methods, to handle the current ...
1
vote
1answer
319 views

Materials when rendering geometry

When specifying the material (ambient/diffuse/specular) for use in lighting calculations, what level of detail is the material specified at? Per vertex, mesh, bone?
2
votes
1answer
740 views

Rendering skybox in first person shooter

I am trying to get a skybox rendered correctly in my first person shooter game. I have the skybox cube rendering using GL_TEXTURE_CUBE_MAP. I author the cube with extents of -1 and 1 along X,Y and Z. ...
4
votes
2answers
4k views

[Unity] Render an animated texture to a screen

I'm looking for a way to write a typed text on a texture, and then render it on a screen: in the game it's just the screen of a computer where a scientist is typing text on. The texture will be ...
1
vote
1answer
553 views

Mental Ray render loss in Maya?

The option in the rendering menu of Maya doesn't say "Mental Ray" anymore. Please help me to get it back, or even a better plugin for Maya game quality rendering.
6
votes
3answers
2k views

IDirect3DDevice9Ex and D3DPOOL_MANAGED?

So I wanted to switch to IDirect3DDevice9Ex, purely for the SetFrameLatency function, as fullscreen vsynced D3D seemed to produce noticable input lag. But then it tells me 'ha ha ha! now you can't ...
5
votes
2answers
2k views

How can I render text above a mesh in DirectX 9?

I want to render some text over a mesh in my DirectX app. It will have a similar application to health bars for units in games, just as text rather than a bar. I'm looking for the simplest way to do ...
13
votes
4answers
15k views

Preferred way to render text in OpenGL

I'm about to pick up computer graphics once again for an university project. For a previous project I used a library called FTGL that didn't leave me quite satisfied as it felt kind of heavy (I tried ...
-4
votes
2answers
188 views

having problems while rendering in Maya 2008 [closed]

I am having problems while rendering in Maya 2008. 1 frame is taking 1 hr. My 5 computers have config of : core i3 , 1 gb ATI radeon graphics card, 8 GB Ram. OS: win Xp pro 32 bit. I am giving ...
3
votes
1answer
1k views

problem with frustum AABB culling in DirectX

I am currently working on a project with a few friends, and I am trying to get frustum culling working. Every single tutorial or article I go to shows that my math is correct and that this should be ...
4
votes
2answers
2k views

Bitmap font rendering, UV generation and vertex placement [closed]

I am generating a bitmap, however, I am not sure on how to render the UV's and placement. I had a thread like this once before, but it was too loosely worded as to what I was looking to do. What I am ...
12
votes
2answers
19k views

How Do I Do Alpha Transparency Properly In XNA 4.0?

Okay, I've read several articles, tutorials, and questions regarding this. Most point to the same technique which doesn't solve my problem. I need the ability to create semi-transparent sprites (...
2
votes
1answer
370 views

What is the best way to render eletric wires (like in gta 4)?

From the top of my mind, I see 2 ways to do it : classic mesh. (but that's likely to be a lot of tris for little screenspace) bilboards (but the placements of the billboards may be tricky. still ...
3
votes
2answers
2k views

3D camera implementation

I've been bashing my head against the concept of a 'camera' for my 3D world for some time now, and I'm not sure I'm doing this right anymore. Maybe I've been working on this for too long and have ...
5
votes
2answers
1k views

Are there any font rendering libraries for games development that support hinting?

I've used angel code's bitmap font generator quite a bit and though it's very good, I wondered if there would be a way of using the hinting information to provide a better readable result by using ...
7
votes
1answer
607 views

How does OnLive work, and is there anything special Game Developers need to do?

The OnLive service works by "cloud rendering", which is very different from the traditional model of "on-premise rendering" that we are all familiar with. How does this work at a technical level, and ...
5
votes
1answer
437 views

Deterministic random number sequence

I have an array of lights that I need to sample from randomly, but deterministically so that all the lights are sampled. Currently I use random numbers to pick a light, and then put processed lights ...
8
votes
6answers
2k views

How come the 3d graphics and animations of MMORPGs are usually worse than non-online 3d games? [closed]

I have noticed that in general it seems like the 3d graphics and animations for MMOs and MMORPGs seem not as seductive and polished as the graphics for normal, non-online 3d games. How come this is ...
2
votes
3answers
757 views

Rendering a 3D scene without a window

This is kind of an odd question, but what would be the best solution for rendering a 3D scene without a render window active? The end goal would be to simply render a 3D scene to an image file. I ...
12
votes
2answers
2k views

Is Deferred Rendering The Future?

Is deferred rendering the future of real-time 3d rendering on pc hardware (at least until raytracing becomes feasible)? I'm aware of the benefits (lots of lights, less state changes) and also trouble ...
3
votes
1answer
488 views

How to prepare a sprite for a game?

For example, I created my character drawing on Paint.NET using the Pencil tool and now it's a sprite like asset. If I want him to move do I need to create many different poses for him and render them ...
6
votes
2answers
1k views

Is frustum culling necessary in a Flash/AS3 game?

I'm making a 2D game where the map will be scrolled frequently, and only a small part of it will be visible at any time. Which implementation would run faster? The naive way: Make the map a single ...
22
votes
4answers
2k views

Architecture a for a central renderer rather than self-rendering [duplicate]

For the architectural side of rendering, there's two main ways: having each object render itself, and having a single renderer which renders everything. I'm currently aiming for the second idea, for ...
2
votes
1answer
1k views

Post processing texture sizes

I'm trying to write some code to do post processing in OpenGL ES2 on the iPhone. All is fine an dandy, except I am having trouble working out how to scale the texture rendered in the rendering step, ...
7
votes
3answers
3k views

Questions about rendering access in UDK

I also asked about this over on the UDK forums, but haven't had much luck getting any responses. Basically, I have some experience with UT3 modding, but I'm just getting started with the UDK, and I ...
12
votes
6answers
11k views

LOD in modern games [closed]

I'm currently working on my master's thesis about LOD and mesh simplification, and I've been reading many academic papers and articles about the subject. However, I can't find enough information about ...
5
votes
2answers
832 views

Atmospheric Scattering

I want to add some nice atmospheric scattering to my 3D game engine but I am very concerned with conserving resources. I am not very familiar with how its done but can someone please give me some ...
19
votes
6answers
1k views

Coordinate system handling for 2D UI

Following on from the aspect ratios question, I'm interested to hear what other people are using when working on 2D UI systems (most likely their own home-grown solutions). Specifically, how do you ...
1
vote
2answers
848 views

Rotate around a 3d Object (Software Renderer)

I have a simple 3d software renderer (SDL / C++) which can load a 3ds Model and render it (shaded) and rotate it around X Y Z - Axis. Now I would like to rotate / move around the object, meaning, the ...
4
votes
2answers
1k views

Converting Cube Maps

I have cube maps in lat/long format, and i need to convert them to Horizontal/Vertical Cross, and individual cross images, is there an utility to do that?
13
votes
3answers
2k views

How can I create my own sky maps? [closed]

What are the methods/tools for generating realistic skies with clouds and atmospheric shading? FOSS alternatives and spherical projections get extra points.
42
votes
2answers
12k views

What is deferred rendering?

I've heard about deferred rendering and how using it can allow for "lots" of lights in a scene without a huge performance hit, but what is it and (from a high level) how is it implemented?
14
votes
1answer
956 views

What is a texture atlas?

I've heard about this concept, but what is it?
28
votes
5answers
50k views

What is ambient occlusion?

I've heard about ambient occlusion and it looks nice, but what exactly is it?